How to hide the real pbx servers?

Actually, I use VoIP for nothing, but to provide a real setup for VoIP program I don't want because will start asking for access to the Cabinet, and otherwise "bargain".

How can I hide these settings?
August 19th 19 at 23:04
1 answer
August 19th 19 at 23:06
In fact, the password on a personal account and password for SIP lines from zadarma is a different password

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